[Effects and holding time of hyperbaric oxygen on human severe periodontitis].
D000328:Adult; D000368:Aged; D003774:Dental Plaque Index; D005260:Female; D005881:Gingiva / Q000098:blood supply; D005883:Gingival Crevicular Fluid / Q000502:physiology; D006801:Humans; D006931:Hyperbaric Oxygenation; D008297:Male; D008875:Middle Aged; D010512:Periodontal Index; D010518:Periodontitis / Q000628:therapy*; D012039:Regional Blood Flow; D013997:Time Factors